Social writes the Open Graph and Twitter meta tags that control how your page looks when it's shared — fill in the fields, see a live preview of the card, and copy the tags into your page's <head>. Nothing is uploaded.

Title

Site name

Description

Page URL

Image URL

Type

Twitter card

Preview

Meta tags — paste in your <head>

These tags follow the Open Graph protocol used by Facebook, LinkedIn, Slack and others, plus Twitter's card tags. The image should be about 1200×630 for the large card. Everything runs on your device.